摘要
通过采集水稻高留茬还田多年定位试验的土壤样品，研究高留茬对土壤和重组有机质、结合态腐殖质及土壤结构和养分含量的影响。结果表明，水稻高留茬具有培肥和改良土壤的明显作用。
The influence of higher rice stubble on the content of organic matter,combined humusin heavy fraction,micro-aggregate and nutriment in soil with field experiment for several years wasstudied.The results showed that function of improving soil fertility was apparent by returning higherrice stubble to paddy field.
出处
《湖北农业科学》
1995年第1期33-35,共3页
Hubei Agricultural Sciences
关键词
水稻
高留茬
土壤肥力
rice, higher stubble,improving soil fertility
